Hi,
I am a Full stack developer in Microsoft technologies.
I have extensively worked with digital signatures especially xades signature of xml for DIAN, SUNAT etc. Please go through reviews on my profile to verify this.
My area of expertise is web application development (asp.Net web forms, MVC, classic ASP), web services (SOAP & RESTFul), MySql & Sql Server as back end (through stored procedures).
I have 7 years of experience as a full time software developer.
Kindly contact me, lets discuss your requirements.